In parallel (IR) systems, where a large-scale collection
is indexed and searched, the query response time is limited by the
time of the slowest node in the system. Thus distributing the load equally across the nodes is ...

Perceived usefulness and ease of use have proved to be key
determinants of the acceptance and usage of e-learning
systems. On the contrary, little is known about students'
perceptions in Adaptive Educational Hypermedia ...

This note discusses issues in building the educational base for computer graphics growth in developing countries,
particularly in southern Africa. It is based on a delegation’s visit to southern Africa in the spring of ...

This paper presents the results of a content analysis of
computing job adverts to assess the types of skills required by
employers in Botswana. Through the study of job adverts for
computing professionals for one year ...

This paper reports on research carried out to determine whether a localised interface is preferred by users in a multi-cultural and multi-lingual country where a non-local language is nationally used,.
We attempted to ...

This study presents a technique for improving the quality of service (QoS) guarantee in an ATM network. In the proposed model, it was assumed that high priority traffic have been allocated a switch resource to guarantee a ...

Recent works on Available Bit Rate (ABR) traffic control have generated efficient control schemes for ABR traffic on Asynchronous Transfer Mode (ATM) network. This study examines the
improved performance envisaged if these ...

Computer systems provide users with abilities to create, organize, store and access information. Most of this information is in the form of documents in files organized in the hierarchical folder structures provided by ...

Security is always a major concern and a topic of hot discussion to users of Wireless Mesh Networks (WMNs). The open architecture of WMNs makes it very easy for malicious attackers to exploit the loopholes in the routing ...